Table. 1.

Performance of laboratories in the microscopic examination of stool in clinical parasitology (2018)

Trial no. Specimen no. No. of participants Organisms identified with acceptable accuracy No. (%) Organisms identified with unacceptable accuracy No. (%)
Trial I MPI-18-01 218 Ascaris spp. 217 (99.5) Hookworm 1 (0.5)
MPI-18-02 218 No parasite seen 218 (100.0)
MPS-18-01 221 Clonorchis spp. 204 (92.3) Metagonimus yokogawai 14 (6.3)
Ascaris spp. 1 (0.5)
Diphyllobothrium spp. 1 (0.5)
Paragonimus spp. 1 (0.5)
Trial II MPI-18-03 206 Paragonimus spp. 204 (99.0) Clonorchis spp. 2 (1.0)
MPI-18-04 206 Enterobius vermicularis 205 (99.5) Clonorchis spp. 1 (0.5)
MPI-18-05 206 No parasite seen 204 (99.0) Ascaris spp. 1 (0.5)
Entamoeba histolytica/E. dispar 1 (0.5)
Trial III MPI-18-06 207 Diphyllobothrium spp. 202 (97.6) Ascaris spp. 2 (1.0)
Entamoeba coli 1 (0.5)
Metagonimus yokogawai 14 (6.3)
Schistosoma japonicum 14 (6.3)
MPI-18-07 207 No parasite seen 207 (100.0)
MPI-18-08 207 Strongyloides stercoralis larva 200 (96.6) Enterobius vermicularis 2 (1.0)
Hookworm 2 (1.0)
Ascaris spp. 1 (0.5)
Trichostrongylus 1 (0.5)
Trichuris trichiura 1 (0.5)
Subtotal MPI 1,675 1,657 (98.9)* 18 (1.1)
MPS 221 204 (92.3)* 17 (7.7)
Total 1,896 1,861 (98.3) 32 (1.7)

*P<0.001; significant difference was determined statistically.

J Lab Med Qual Assur 2020;42:177~182 https://doi.org/10.15263/jlmqa.2020.42.4.177
© Lab Med Qual Assur